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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Lynden, WA
Content continues below
May
Average Temperature
High
18°
Feels 18
Low
8°
Feels 7
Average Precipitation
10 Days
Rain amount
69.8mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
17°
8
16°
9
19°
10
18°
11
20°
12
22°
13
22°
14
21°
15
18°
16
18°
17
15°
18
16°
19
16°
20
16°
21
16°
22
23
24
25
26
27
28
29
30
31
Forecast
Thursday, May 7, 2026
Day
17°
Feels 17
Wind
10 km/h SW
Gust
15 km/h
Humidity
63%
P.O.P
30%
Night
10°
Feels 10
Wind
9 km/h S
Gust
14 km/h
Humidity
87%
P.O.P
30%
Historical Averages
May 7
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.